A direct approach to β-iodophosphonates and β-iodophosphine oxides from 2,3-dideoxy-3-phosphoryl carbohydrate derivatives has been achieved by using the anomeric alkoxyl radical 1,2-fragmentation protocol. The reaction has been conducted on carbohydrate derivatives under mild conditions with (diacetoxyiodo)benzene and molecular iodine. Subsequent dehydroiodination afforded the corresponding vinylphosphonates
通过使用异头烷
氧基自由基 1,2-片段化方案,已经实现了从 2,3-dideoxy-3-phosphoryl
碳水化合物衍
生物直接制备 β-iodophosphonates 和 β-iodophosphine
氧化物的方法。该反应是在温和条件下与(
二乙酰氧基
碘)
苯和分子
碘对
碳水化合物衍
生物进行的。随后
脱氢碘化得到相应的
乙烯基膦酸酯和
乙烯基氧化膦。